Nokia 6620 vs LG Q51
| Type | Bar (classic) | Touch |
| Dimensions | 108.60 x 58.20 x 23.00 mm | 166.90 x 77.90 x 8.40 mm |
| Weight | 124.00 g | 204.00 g |
| Display size | 2.10" | 6.50" |
| Display | Color / TFT 64k colors 176 x 208 px (2.10") 130 ppi | Color / IPS TFT 16M colors 720 x 1520 px (6.50") 259 ppi |
| Display protection |   | |
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 240 min. (4.0 h) | 3G: 1020 min. (17.0 h) |
| Stand-by (max.) | 2G: 192 h. (8.0 days) | 3G: 590 h. (24.6 days) |
| Standard battery | Li-Ion 850 mAhBuy powerbank
| Li-Ion 4000 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Internal memory | 12 MB | 32 GB |
| End-user memory |  | 16.2 GB |
| RAM memory | | 3 GB |
| Memory cards |  MMC | microSD, microSDHC, microSDXC up to 2000 GBBuy memory card |
| Operating system | Symbian 7.0s | Android 9.0 Pie |
| Interface | Series 60 2nd Edition | - |
| Processor | - | MediaTek Helio P22 MT6762 |
| Processor clock | - | 2000 MHz |
| GPU | - | PowerVR GE8320 @650 MHz |
| Touchscreen | | |
| SAR (10g) | 0,27 W/kg | 1,157 W/kg |
| DualSIM | | |
| SIM cards standard | | DualSIM(nanoSIM, nanoSIM) |
| DualSIM mode | nd | dual standby |
| Hybrid DualSIM | nd | |
| Announced | | 1Q 2020 |
| Other names | - | LM-Q510N |
| GSM frequencies | 850 1800 1900 | 850 900 1800 1900 |
| UMTS | | 850 900 1900 2100 |
| LTE standard | | FDD LTE: 2600, 2100, 1800, 900, 800 |
| Standard 5G | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix | 0.3 Mpx | 13 Mpx |
| Resolution | 640x480 px | |
| Optical zoom | | |
| Digital zoom | 2x | |
| Flash | | LED |
| Dual-colour LED flash | | |
| Video resolution | 176x144 px | |
| Video formats | | H.263, H.264, H.265, MPEG4 |
| Additional | - | AF |
| Second camera | | |
| Photo matrix | nd | 5 Mpx |
| Optical zoom | nd | |
| Flash | nd | LED |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.263, H.264, H.265, MPEG4 |
| Additional | nd | FF |
| Third camera | | |
| Photo matrix | nd | 2 Mpx |
| Optical zoom | nd | |
| Flash | nd | LED |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.263, H.264, H.265, MPEG4 |
| Additional | nd | FF |
CAMERAS - FRONT
| First camera | | |
| Photo matrix | nd | 13 Mpx |
| Optical zoom | nd | |
| Flash | nd | |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.263, H.264, H.265, MPEG4 |
| Additional | nd | FF |
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | v2.0 | v2.0 |
| HSCSD | | |
| HSDPA | | 42.20 Mbit/s |
| HSUPA | | 5.76 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | 300.00 Mbit/s |
| LTE UP | | 75.00 Mbit/s |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v1.1 | v5.0 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | | v802.11 a/b/g/n/ac |
| WiFi frequencies | | 2,4 GHz; 5 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | | v2.0 Type-C |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| Galileo | | |
| QZSS | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | T9 | XT9 |
| Swype | | |
| e-mail client | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | 2 |
| Audio Jack | 3.5 mm | 3.5 mm |
| HD Voice | | |
| Sound formats | AAC | AAC, AAC+, ALAC, AMR, FLAC, MID, OGG, WAV, eAAC+ |
| Polyphony | 24 voices | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | MIDP 2.0 | ART |
| Videophone | | |
| DVB-H television | | |
| TV-Out | | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Currency converter | | |
| Organizer | | |
| Calendar | | |
| Flight mode | | |
| SyncML | | |
| Data and fax | | |
| Screensaver | | |
| Themes | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Recorder | | |
| Vibrations | | |
